Liquid purification or separation – Structural installation – Separator ancillary to storage tank
Patent
1996-08-19
1998-04-07
Upton, Christopher
Liquid purification or separation
Structural installation
Separator ancillary to storage tank
210256, 210299, 210452, 210459, 210498, 2105322, B01D 2937
Patent
active
057360359
ABSTRACT:
A filter device for use in a waste water treatment system including a filter element of two-piece construction disposed within a filter casing with a fluid chamber therein defined by an outer surface of the filter element and the inner surface of the filter casing. The filter casing has a central opening in the bottom which extends upwardly and is in flow communication with an outlet discharge from the tank. The filter element includes a first filter section having a main body of U-shaped cross-section with opposed outwardly extending L-shaped portions at each terminating end of the U. Each L-shaped portion is provided with a first locking device. A second filter section is of substantially flat configuration with the terminating sides of the second filter section having a second locking device therealong for mating with the first locking device of the first filter section. Both the first and second filter sections are provided with vertically spaced horizontally extending slots therein wherein liquid to be filtered passes through a central opening in the bottom of the filter element up through the filter element and outwardly through the slots into the defined chamber which is in flow communication with an outlet from the tank.
REFERENCES:
patent: 441667 (1890-12-01), Jewell
patent: 603120 (1898-04-01), Worthington
patent: 1675714 (1928-03-01), Koch
patent: 2900084 (1959-08-01), Zabel
patent: 3332552 (1967-07-01), Zabel
patent: 4439323 (1984-03-01), Ball
patent: 4710295 (1987-12-01), Zabel
patent: 5221470 (1983-06-01), McKinney
patent: 5382357 (1995-01-01), Nurse
patent: 5449453 (1995-09-01), Tang
patent: 5569387 (1996-10-01), Bowne et al.
Lamb Charles G.
Upton Christopher
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